SAP Knowledge Base Article - Public

1550740 - Error :" Database connector error: "DAO Error code: 0xc9c Source :DAO.database

Symptom

Error :" Database connector error: "DAO Error code: 0xc9c  Source :DAO.database, Description: selected collating sequence not support by the operating system"

When changing the Database connection in the report.

Environment

Crystal Reports XI Release 2

Source : Microsoft Excel

Reproducing the Issue

Ping the database through run command, it cannot open the database

Cause

Database is locked by some other user

Resolution

We have to kill the user session who locked the excel from the network, 

(or)

  1. Open excel which was locked and save as with a different name.
  2. Now point the connection of the report to that excel.
  3. Now the report successfully retrive the data from excel.

Keywords

DAO Error code: 0xc9c  Source :DAO.database , KBA , BI-RA-CR , Crystal Reports designer or BusinessViews Manager , Problem

Product

SAP Crystal Reports XI